package com.quxiu.system.service.impl;

import com.quxiu.common.core.constant.CacheConstants;
import com.quxiu.common.core.constant.Constants;
import com.quxiu.common.core.constant.SecurityConstants;
import com.quxiu.common.core.constant.UserConstants;
import com.quxiu.common.core.domain.R;
import com.quxiu.common.core.enums.UserStatus;
import com.quxiu.common.core.exception.ServiceException;
import com.quxiu.common.core.text.Convert;
import com.quxiu.common.core.utils.StringUtils;
import com.quxiu.common.core.utils.ip.IpUtils;
import com.quxiu.common.redis.service.RedisService;
import com.quxiu.common.security.utils.SecurityUtils;
import com.quxiu.system.api.domain.SysUser;
import com.quxiu.system.api.model.LoginUser;
import com.quxiu.system.service.ISysLoginService;
import com.quxiu.system.service.ISysPasswordService;
import com.quxiu.system.service.ISysRecordLogService;
import com.quxiu.system.service.ISysUserService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;

/**
 * 登录校验方法
 *
 * @author quxiu
 */
@Component
public class SysLoginService implements ISysLoginService {
    @Autowired
    private ISysUserService sysUserService;

    @Autowired
    private ISysPasswordService passwordService;

    @Autowired
    private ISysRecordLogService recordLogService;

    @Autowired
    private RedisService redisService;

    /**
     * 登录
     */
    @Override
    public LoginUser login(String username, String password) {
        // 用户名或密码为空 错误
        if (StringUtils.isAnyBlank(username, password)) {
            recordLogService.recordLogininfor(username, Constants.LOGIN_FAIL, "用户/密码必须填写");
            throw new ServiceException("用户/密码必须填写");
        }
        // 密码如果不在指定范围内 错误
        if (password.length() < UserConstants.PASSWORD_MIN_LENGTH
                || password.length() > UserConstants.PASSWORD_MAX_LENGTH) {
            recordLogService.recordLogininfor(username, Constants.LOGIN_FAIL, "用户密码不在指定范围");
            throw new ServiceException("用户密码不在指定范围");
        }
        // 用户名不在指定范围内 错误
        if (username.length() < UserConstants.USERNAME_MIN_LENGTH
                || username.length() > UserConstants.USERNAME_MAX_LENGTH) {
            recordLogService.recordLogininfor(username, Constants.LOGIN_FAIL, "用户名不在指定范围");
            throw new ServiceException("用户名不在指定范围");
        }
        // IP黑名单校验
        String blackStr = Convert.toStr(redisService.getCacheObject(CacheConstants.SYS_LOGIN_BLACKIPLIST));
        if (IpUtils.isMatchedIp(blackStr, IpUtils.getIpAddr())) {
            recordLogService.recordLogininfor(username, Constants.LOGIN_FAIL, "很遗憾，访问IP已被列入系统黑名单");
            throw new ServiceException("很遗憾，访问IP已被列入系统黑名单");
        }
        // 查询用户信息
        LoginUser userInfo = sysUserService.getUserLoginInfo(username);

        if (userInfo == null) {
            recordLogService.recordLogininfor(username, Constants.LOGIN_FAIL, "登录用户不存在");
            throw new ServiceException("登录用户：" + username + " 不存在");
        }
        SysUser user = userInfo.getSysUser();
        if (UserStatus.DELETED.getCode().equals(user.getDelFlag())) {
            recordLogService.recordLogininfor(username, Constants.LOGIN_FAIL, "对不起，您的账号已被删除");
            throw new ServiceException("对不起，您的账号：" + username + " 已被删除");
        }
        if (UserStatus.DISABLE.getCode().equals(user.getStatus())) {
            recordLogService.recordLogininfor(username, Constants.LOGIN_FAIL, "用户已停用，请联系管理员");
            throw new ServiceException("对不起，您的账号：" + username + " 已停用");
        }
        passwordService.validate(user, password);
        recordLogService.recordLogininfor(username, Constants.LOGIN_SUCCESS, "登录成功");
        return userInfo;
    }

    @Override
    public void logout(String loginName) {
        recordLogService.recordLogininfor(loginName, Constants.LOGOUT, "退出成功");
    }
}
